Display screen or portion thereof with animated graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with animated graphical user interface showing our new design; and,

FIG. 2 is a front view of a second image thereof.

The appearance of the animated graphical user interface transitions between the images shown in FIGS. 1-2. The process or period in which one image transitions to another forms no part of the claimed design.

The dash-dot broken lines showing an electronic device illustrate environmental subject matter, whereas the standard broken lines showing text, symbols and portions of the graphical user interface illustrate portions of the article, and form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with animated graphical user interface, as shown and described. 